There's an episode of the old Star Trek series (in the Dark) where the crew of the Enterprise has to confront a silicon-based form of life. Silicon was a good choice for an alternative basis for life . Why?

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)